“When one wants to change manners and customs, one should not do so by changing the laws.”

Virtue is necessary to a republic.

Virtue has needs of limits.

The wickedness of mankind makes it necessary for the law to suppose them better than they really are.

The pagan religion, which prohibited only some of the grosser crimes, and which stopped the hand but meddled not with the heart, might have crimes that were inexplicable.

Peace is a natural effect of trade.

The Christian religion is a stranger to mere despotic power. The mildness so frequently recommended in the Gospel is incompatible with the despotic rage.

The false notion of miracles comes of our vanity, which makes us believe we are important enough for the Supreme Being to upset nature on our behalf.

There are three species of government: republican, monarchical, and despotic.

There is as yet no liberty if the power of judging be not separated from legislative power and the executrix

Men in excess of happiness or misery are equally inclined to severity. Witness conquerors and monks! It is mediocrity alone, and a mixture of prosperous and adverse fortune that inspire us with lenity and pity.

The alms given to a naked man in the street do not fulfil the obligations of the state, which owes to every citizen a certain subsistence, a proper nourishment, convenient clothing, and a kind of life not incompatible with health.

People here argue about religion interminably, but it appears that they are competing at the same time to see who can be the least devout.

A rational army would run away.

Ever since the invention of gunpowder.. I continually tremble lest men should, in the end, uncover some secret which would provide a short way of abolishing mankind, of annihilating peoples and nations in their entirety.

The culminating point of administration is to know well how much power, great or small, we ought to use in all circumstances.

In every government there are three sorts of power: the legislative; the executive in respect to things dependent on the law of nations; and the executive in regard to matters that depend on the civil law.

Behavior is the theory of manners practically applied.

Contraries are cured by contraries.

Politics has rough manners, but it is a very useful thing.

Some people are so methodical that that is all they are or ever will be.

I’ve never turned blue in someone else’s bathroom. I consider that the height of bad manners.

I describe not men, but manners; not an individual, but a species.